#307FBF#307FBF

#307FBF is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 57.9% C 0.125 H 246.8°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#307FBF
RGB	rgb(48, 127, 191)
HSL	hsl(207, 60%, 47%)
HSV	hsv(207, 75%, 75%)
CMYK	cmyk(74.9%, 33.5%, 0%, 25.1%)
CIE-LAB	lab(51.34, -2.04, -40.32)
CIE-LCH	lch(51.34, 40.37, 267.11°)
OKLab	oklab(57.88% -0.049 -0.1145)
OKLCH	oklch(57.88% 0.125 246.8)
XYZ	xyz(18.2087, 19.5666, 52.0972)
Luminance	0.1957 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#307FBF #BF7030

analogous

#30BFB8 #307FBF #3038BF

triadic

#307FBF #BF307F #7FBF30

tetradic

#307FBF #B830BF #BF7030 #38BF30

square

#307FBF #B830BF #BF7030 #38BF30

split-complementary

#307FBF #BF3038 #BFB830

monochromatic

#173E5D #245E8E #307FBF #579DD5 #88B9E1

Accessibility & contrast

On white

4.27

#307FBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#307FBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #307FBF

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##307FBF	#FFFFFF	#000000	##000000
##307FBF	1.00	4.27	4.91	4.91
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6282C2

Deuteranopia (green-blind)

#4D74BE

Tritanopia (blue-blind)

#008E96

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #307fbf;
/* rgb */ color: rgb(48, 127, 191);
/* oklch */ color: oklch(57.9% 0.125 246.8);

Tailwind

colors: {
  custom: {
    50: '#7ca3d2',
    500: '#307fbf',
    950: '#000000',
  },
}

SCSS

$custom: #307fbf;
$custom-light: #7ca3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#307fbf",
  "rgb": {
    "r": 48,
    "g": 127,
    "b": 191
  },
  "hsl": {
    "h": 206.853,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57876,
    "c": 0.12453,
    "h": 246.8
  },
  "luminance": 0.19569
}

Semantic roles & 50–950 ramp

primary

#307FBF

secondary

#CBA180

accent

#8C45E3

background

#F8FAFC

surface

#EFF3F9

border

#CACDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #307FBF

Body copy rendered with the generated semantic roles for this colour.

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